CVE-2026-74455 (GCVE-0-2026-74455)
Vulnerability from cvelistv5
Published
2026-08-15 12:26
Modified
2026-08-19 16:36
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
can: peak_usb: validate uCAN receive record lengths
pcan_usb_fd_decode_buf() walks uCAN records packed in one USB
receive buffer.
Require each record to contain the fixed header for its type, and verify
CAN payload bytes before copying them into the skb.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 0a25e1f4f18566b750ebd3ae995af64e23111e63 Version: 0a25e1f4f18566b750ebd3ae995af64e23111e63 Version: 0a25e1f4f18566b750ebd3ae995af64e23111e63 Version: 0a25e1f4f18566b750ebd3ae995af64e23111e63 Version: 0a25e1f4f18566b750ebd3ae995af64e23111e63 Version: 0a25e1f4f18566b750ebd3ae995af64e23111e63 Version: 0a25e1f4f18566b750ebd3ae995af64e23111e63 Version: 0a25e1f4f18566b750ebd3ae995af64e23111e63 |
||
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/can/usb/peak_usb/pcan_usb_fd.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "276d989cd2dd88e2b7ab2c96fd10c86836b12781",
"status": "affected",
"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63",
"versionType": "git"
},
{
"lessThan": "bf9d787b7e1ef59be19b35abca08194772deb97e",
"status": "affected",
"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63",
"versionType": "git"
},
{
"lessThan": "89c92a8052698dbbd3652a77c04d02bbd74a3275",
"status": "affected",
"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63",
"versionType": "git"
},
{
"lessThan": "6067c878e38d02a3d5c43497347e143f85c9064a",
"status": "affected",
"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63",
"versionType": "git"
},
{
"lessThan": "2c8f08f3641a074da40acf05baa5a18ae2739260",
"status": "affected",
"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63",
"versionType": "git"
},
{
"lessThan": "2427ef427bdd78d862c7c76597bfd9eda88b81f1",
"status": "affected",
"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63",
"versionType": "git"
},
{
"lessThan": "d9c115948c3dd5fcc2d0245cec5eb76c098503c8",
"status": "affected",
"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63",
"versionType": "git"
},
{
"lessThan": "93fcab2c6968446316bbb49548848df604d6346f",
"status": "affected",
"version": "0a25e1f4f18566b750ebd3ae995af64e23111e63",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/can/usb/peak_usb/pcan_usb_fd.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.0"
},
{
"lessThan": "4.0",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.265",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.216",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.183",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.151",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.103",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"version": "6.18.44",
"versionType": "semver"
},
{
"lessThanOrEqual": "7.1.*",
"status": "unaffected",
"version": "7.1.8",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.265",
"versionStartIncluding": "4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.216",
"versionStartIncluding": "4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.183",
"versionStartIncluding": "4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.151",
"versionStartIncluding": "4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.103",
"versionStartIncluding": "4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18.44",
"versionStartIncluding": "4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.1.8",
"versionStartIncluding": "4.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "7.2",
"versionStartIncluding": "4.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: peak_usb: validate uCAN receive record lengths\n\npcan_usb_fd_decode_buf() walks uCAN records packed in one USB\nreceive buffer.\n\nRequire each record to contain the fixed header for its type, and verify\nCAN payload bytes before copying them into the skb."
}
],
"providerMetadata": {
"dateUpdated": "2026-08-19T16:36:48.775Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/276d989cd2dd88e2b7ab2c96fd10c86836b12781"
},
{
"url": "https://git.kernel.org/stable/c/bf9d787b7e1ef59be19b35abca08194772deb97e"
},
{
"url": "https://git.kernel.org/stable/c/89c92a8052698dbbd3652a77c04d02bbd74a3275"
},
{
"url": "https://git.kernel.org/stable/c/6067c878e38d02a3d5c43497347e143f85c9064a"
},
{
"url": "https://git.kernel.org/stable/c/2c8f08f3641a074da40acf05baa5a18ae2739260"
},
{
"url": "https://git.kernel.org/stable/c/2427ef427bdd78d862c7c76597bfd9eda88b81f1"
},
{
"url": "https://git.kernel.org/stable/c/d9c115948c3dd5fcc2d0245cec5eb76c098503c8"
},
{
"url": "https://git.kernel.org/stable/c/93fcab2c6968446316bbb49548848df604d6346f"
}
],
"title": "can: peak_usb: validate uCAN receive record lengths",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-74455",
"datePublished": "2026-08-15T12:26:58.175Z",
"dateReserved": "2026-08-15T05:44:03.900Z",
"dateUpdated": "2026-08-19T16:36:48.775Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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